HEADER    TRANSFERASE                             01-MAY-99   1QCC              
TITLE     CRYSTAL STRUCTURES OF ADENINE PHOSPHORIBOSYLTRANSFERASE FROM          
TITLE    2 LEISHMANIA DONOVANI                                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ADENINE PHOSPHORIBOSYLTRANSFERASE;                         
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: APRT;                                                       
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: LEISHMANIA DONOVANI;                            
SOURCE   3 ORGANISM_TAXID: 5661;                                                
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_VECTOR: PBACE                                      
KEYWDS    DINUCLEOTIDE BINDING FOLD, TRANSFERASE                                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.L.PHILLIPS,B.ULLMAN,R.G.BRENNAN,C.P.HILL                            
REVDAT   4   14-FEB-24 1QCC    1       REMARK                                   
REVDAT   3   13-JUL-11 1QCC    1       VERSN                                    
REVDAT   2   24-FEB-09 1QCC    1       VERSN                                    
REVDAT   1   21-JUL-99 1QCC    0                                                
JRNL        AUTH   C.L.PHILLIPS,B.ULLMAN,R.G.BRENNAN,C.P.HILL                   
JRNL        TITL   CRYSTAL STRUCTURES OF ADENINE PHOSPHORIBOSYLTRANSFERASE FROM 
JRNL        TITL 2 LEISHMANIA DONOVANI.                                         
JRNL        REF    EMBO J.                       V.  18  3533 1999              
JRNL        REFN                   ISSN 0261-4189                               
JRNL        PMID   10393170                                                     
JRNL        DOI    10.1093/EMBOJ/18.13.3533                                     
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.98 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.843                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.98                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.70                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 10000000.000                   
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 91.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 19055                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.187                           
REMARK   3   FREE R VALUE                     : 0.241                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1892                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.006                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.98                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.10                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 61.30                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1837                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2840                       
REMARK   3   BIN FREE R VALUE                    : 0.2980                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 10.60                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 217                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.020                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1836                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 13                                      
REMARK   3   SOLVENT ATOMS            : 215                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 22.30                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 23.80                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.08000                                              
REMARK   3    B22 (A**2) : 0.08000                                              
REMARK   3    B33 (A**2) : -0.16000                                             
REMARK   3    B12 (A**2) : -0.57000                                             
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.21                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.19                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 8.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.26                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.16                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.400                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1QCC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY NDB.                                
REMARK 100 THE DEPOSITION ID IS D_1000009067.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : FEB-97                             
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 5.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: PHASES                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 53.73                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.66                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: REG 5000 MME, AMMONIUM ACETATE, SODIUM   
REMARK 280  CITRATE, MAGNESIUM CHLORIDE, PH 5.0, VAPOR DIFFUSION, HANGING       
REMARK 280  DROP, TEMPERATURE 277.0K                                            
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+5/6                                            
REMARK 290       6555   X-Y,X,Z+1/6                                             
REMARK 290       7555   Y,X,-Z+1/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+2/3                                          
REMARK 290      10555   -Y,-X,-Z+5/6                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+1/6                                            
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       78.87233            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000      157.74467            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      118.30850            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000      197.18083            
REMARK 290   SMTRY1   6  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       39.43617            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       78.87233            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000      157.74467            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000      197.18083            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000      118.30850            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       39.43617            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 6220 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 21200 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -35.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2  0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       39.43617            
REMARK 475                                                                      
REMARK 475 ZERO OCCUPANCY RESIDUES                                              
REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY.             
REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT                
REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;                      
REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE)          
REMARK 475   M RES C  SSEQI                                                     
REMARK 475     GLU A   120                                                      
REMARK 475     TYR A   121                                                      
REMARK 475     LYS A   122                                                      
REMARK 475     GLU A   123                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    TYR A 121      131.40    -17.36                                   
REMARK 500    GLU A 123     -107.66    -26.42                                   
REMARK 500    ALA A 124       95.54    109.71                                   
REMARK 500    ALA A 150      -96.49   -103.73                                   
REMARK 500    GLU A 171      159.99    179.93                                   
REMARK 500    ILE A 178       76.09   -117.83                                   
REMARK 500    THR A 210     -166.73   -114.15                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CIT A 325                 
DBREF  1QCC A    2   237  UNP    Q27679   Q27679_LEIDO     2    237             
SEQRES   1 A  236  PRO PHE LYS GLU VAL SER PRO ASN SER PHE LEU LEU ASP          
SEQRES   2 A  236  ASP SER HIS ALA LEU SER GLN LEU LEU LYS LYS SER TYR          
SEQRES   3 A  236  ARG TRP TYR SER PRO VAL PHE SER PRO ARG ASN VAL PRO          
SEQRES   4 A  236  ARG PHE ALA ASP VAL SER SER ILE THR GLU SER PRO GLU          
SEQRES   5 A  236  THR LEU LYS ALA ILE ARG ASP PHE LEU VAL GLN ARG TYR          
SEQRES   6 A  236  ARG ALA MET SER PRO ALA PRO THR HIS ILE LEU GLY PHE          
SEQRES   7 A  236  ASP ALA ARG GLY PHE LEU PHE GLY PRO MET ILE ALA VAL          
SEQRES   8 A  236  GLU LEU GLU ILE PRO PHE VAL LEU MET ARG LYS ALA ASP          
SEQRES   9 A  236  LYS ASN ALA GLY LEU LEU ILE ARG SER GLU PRO TYR GLU          
SEQRES  10 A  236  LYS GLU TYR LYS GLU ALA ALA PRO GLU VAL MET THR ILE          
SEQRES  11 A  236  ARG TYR GLY SER ILE GLY LYS GLY SER ARG VAL VAL LEU          
SEQRES  12 A  236  ILE ASP ASP VAL LEU ALA THR GLY GLY THR ALA LEU SER          
SEQRES  13 A  236  GLY LEU GLN LEU VAL GLU ALA SER ASP ALA VAL VAL VAL          
SEQRES  14 A  236  GLU MET VAL SER ILE LEU SER ILE PRO PHE LEU LYS ALA          
SEQRES  15 A  236  ALA GLU LYS ILE HIS SER THR ALA ASN SER ARG TYR LYS          
SEQRES  16 A  236  ASP ILE LYS PHE ILE SER LEU LEU SER ASP ASP ALA LEU          
SEQRES  17 A  236  THR GLU GLU ASN CYS GLY ASP SER LYS ASN TYR THR GLY          
SEQRES  18 A  236  PRO ARG VAL LEU SER CYS GLY ASP VAL LEU ALA GLU HIS          
SEQRES  19 A  236  PRO HIS                                                      
HET    CIT  A 325      13                                                       
HETNAM     CIT CITRIC ACID                                                      
FORMUL   2  CIT    C6 H8 O7                                                     
FORMUL   3  HOH   *215(H2 O)                                                    
HELIX    1   1 HIS A   17  TYR A   27  1                                  11    
HELIX    2   2 SER A   31  SER A   35  5                                   5    
HELIX    3   3 VAL A   45  GLU A   50  1                                   6    
HELIX    4   4 SER A   51  ALA A   68  1                                  18    
HELIX    5   5 ALA A   81  LEU A   85  5                                   5    
HELIX    6   6 PHE A   86  GLU A   95  1                                  10    
HELIX    7   7 LYS A  103  ASN A  107  5                                   5    
HELIX    8   8 GLY A  152  SER A  165  1                                  14    
HELIX    9   9 PRO A  179  LEU A  181  5                                   3    
HELIX   10  10 LYS A  182  THR A  190  1                                   9    
HELIX   11  11 SER A  189  ARG A  194  1                                   6    
HELIX   12  12 ASP A  207  LEU A  209  5                                   3    
HELIX   13  13 THR A  210  ASN A  213  5                                   4    
HELIX   14  14 SER A  227  ALA A  233  1                                   7    
SHEET    1   A 7 PHE A   3  SER A   7  0                                        
SHEET    2   A 7 SER A  10  LEU A  13 -1  N  SER A  10   O  SER A   7           
SHEET    3   A 7 PHE A 200  SER A 205  1  O  PHE A 200   N  PHE A  11           
SHEET    4   A 7 VAL A 168  SER A 177  1  O  MET A 172   N  ILE A 201           
SHEET    5   A 7 ARG A 141  LEU A 149  1  O  VAL A 142   N  VAL A 170           
SHEET    6   A 7 HIS A  75  PHE A  79  1  O  HIS A  75   N  VAL A 143           
SHEET    7   A 7 PHE A  98  MET A 101  1  N  VAL A  99   O  ILE A  76           
SHEET    1   B 2 TRP A  29  TYR A  30  0                                        
SHEET    2   B 2 PHE A  42  ALA A  43 -1  N  PHE A  42   O  TYR A  30           
SHEET    1   C 2 LEU A 111  ARG A 113  0                                        
SHEET    2   C 2 THR A 130  ARG A 132 -1  O  ILE A 131   N  ILE A 112           
CISPEP   1 SER A   70    PRO A   71          0        -0.16                     
CISPEP   2 ASP A   80    ALA A   81          0        14.30                     
SITE     1 AC1 14 ASP A  80  ALA A  81  ARG A  82  ARG A 102                    
SITE     2 AC1 14 GLU A 127  ASP A 146  ASP A 147  HOH A 351                    
SITE     3 AC1 14 HOH A 363  HOH A 394  HOH A 395  HOH A 457                    
SITE     4 AC1 14 HOH A 511  HOH A 533                                          
CRYST1   63.757   63.757  236.617  90.00  90.00 120.00 P 61 2 2     12          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.015685  0.009055  0.000000        0.00000                         
SCALE2      0.000000  0.018111  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.004226        0.00000